/Engine/Source/Runtime/Core/Public/Containers/Map.h
Defines how the map's pairs are hashed.
template<typename KeyType, typename ValueType, bool bInAllowDuplicateKeys> struct TDefaultMapKeyFuncs : public [BaseKeyFuncs< TPair< KeyType, ValueType >, KeyType, bInAllowDuplicateKeys >](API\Runtime\Core\Containers\BaseKeyFuncs)